.piebox{
    margin-top: 20px;
}
.piebox .piebox_head{
    height: 30px;
    text-align: center;
}
.piebox .piebox_head .spantitle{
    width: 80px;
    height: 30px;
    line-height: 30px;
    color: #ffffff;
    display: inline-block;
    border: 1px solid #34475C;
    position:relative;
    vertical-align: middle;
}
.piebox .piebox_head .spantitle::after{
    content:'';
    right: 0;
    bottom: 0;
    border-bottom: 6px solid #fff;
    border-left: 6px solid transparent;
    position: absolute;
    right: 0px;
    top:0px;
}
.drawpiebox{
    height: 300px;
    width: 100%;
}